Answer to Question #167367 in Statistics and Probability for Matt

Question #167367

In a Math Test, the mean score is 45 and the standard deviation is 4. Assuming normality, what is the probability that a score picked at a random will lie above score 50?

Expert's answer

"P(X>50)=P(Z>\\frac{50-45}{4})=P(Z>1.25)=0.1056."

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